Speaker



FIG. 1 is a front, top and left perspective view.

FIG. 2 is a front elevation.

FIG. 3 is a top plan view.

FIG. 4 is a bottom plan view.

FIG. 5 is a rear elevation.

FIG. 6 is a left side elevation; and,

FIG. 7 is a right side elevation.

The broken lines shown are included for the purposes of illustrating portions of the speaker that form no part of the claim. 

CLAIM The ornamental design for a speaker, as shown and described. 